#How to delete all repo commit history

1. Checkout
`git checkout --orphan latest_branch`

2. Add all files
`git add -A`

3. Commit the changes
`git commit -am "a commit message"`

4. Delete the branch
`git branch -D master`

5. Rename the branch to "master"
`git branch -m master`

6. Force update your repository
`git push -f origin master`